[VOIPSEC] OT: What would be a good Service Level Agreement - VoIPtrunking - for SMEs

[Jacek Materna]

I will look for you.

 

J.

 

From: Marco Mouta [mailto:marco.mouta at gmail.com] 
Sent: Friday, December 21, 2007 9:43 AM
To: Jacek Materna
Cc: voipsec at voipsa.org
Subject: Re: [VOIPSEC] OT: What would be a good Service Level Agreement - VoIPtrunking - for SMEs

 

Thank you very much for you feedback.

Do you know any site where I can find information for MTBF and MTTR for VoIP Telephony providers?

Best regards,
Marco Mouta

On Dec 21, 2007 1:26 PM, Jacek Materna < jmaterna at voipshield.com> wrote:

Marco,

Try
http://bleedingvoip.com/bleedingvoip-showdowns/multi-vendor-voip-sla-sho
wdown.html <http://bleedingvoip.com/bleedingvoip-showdowns/multi-vendor-voip-sla-showdown.html> 

Regards, 

Jacek Materna
http://www.bleedingvoip.com


-----Original Message-----
From: voipsec-bounces at voipsa.org [mailto:voipsec-bounces at voipsa.org] On
Behalf Of Marco Mouta
Sent: Thursday, December 20, 2007 1:01 PM
To: voipsec at voipsa.org 
Subject: [VOIPSEC] OT: What would be a good Service Level Agreement -
VoIPtrunking - for SMEs

Hi guys,

I know that this could be considered a bit off the topic, but I couldn't
find out other good Mailing list to post my question and I do believe 
this
topic could be interesting for both of those who work with VoIP.

So the point is for traditional telephony we expect service availability
of

99,999% and what about VoIP providers around the world what is currently 

available?

I know that some operators are not owners of the infrastructure so this
becomes even harder to warranty the high level requirements that
telephony
demands.

The best info and explanation I've found until now is: from bandwidth at
http://www.bandwidth.com/pdf/voip/bandwidth_voip_sla_062105.pdf 

It would be interesting to discuss the recommend values needed and
available
at SLA agreements:

Max Latency
Max Jitter
Max Packet Lost

Mean Time Between Failures 
Mean Time To Repair

Mean Opinion Score at least 4 ?

Service Availability, this point as you probably are aware is very
important, what I just notice a few time a go is that the difference 
between
99,9% and 99,999% is big!

99,9%    ->  Max time for Outage during one month is 43,2 minutes ,
considering 30 days per month
99,999% ->  Max time for Outage during one month is 0,432 minutes 

If any of you around the world is aware of  this values for VoIP SLAs I
would be thankful to exchange and discuss this info.

Thanks in advance.

Best regards, 
Marco Mouta
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